unity-panel-service crashed with SIGSEGV in g_atomic_int_exchange_and_add()

[Jacopo Moronato]

Binary package hint: unity

Happened in qtcreator, after accessing to "File" menu item.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.6.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.36-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,resize,imgpng,mousepoll,move,place,wall,gnomecompat,regex,grid,animation,snap,workarounds,expo,session,ezoom,staticswitcher,fade,scale,opacify,unityshell]
CrashCounter: 1
Date: Mon Mar 21 17:09:39 2011
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110318)
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
SegvAnalysis:
 Segfault happened at: 0xa36399 <g_atomic_int_exchange_and_add+9>: lock xadd %eax,(%edx)
 PC (0x00a36399) ok
 source "%eax" ok
 destination "(%edx)" (0x00000014) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_atomic_int_exchange_and_add () from /lib/libglib-2.0.so.0
 g_variant_unref () from /lib/libglib-2.0.so.0
 ?? () from /usr/lib/libdbusmenu-glib.so.3
 ?? () from /usr/lib/libdbusmenu-glib.so.3
 g_simple_async_result_complete () from /usr/lib/libgio-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_atomic_int_exchange_and_add()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1426): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (<unknown>:1424): libindicator-WARNING **: Shortcut Group does not have key 'TargetEnvironment' falling back to deprecated use of 'OnlyShowIn' and 'NotShowIn'.

[Sebastien Bacher (seb128)]

thank you for your bug report, seems a duplicate of bug #737844 but let's wait for the retracing

[Apport retracing service (apport)]

StacktraceTop:
 g_atomic_int_exchange_and_add (atomic=0x14, val=-1) at /build/buildd/glib2.0-2.28.3/./glib/gatomic-gcc.c:29
 g_variant_unref (value=0x0) at /build/buildd/glib2.0-2.28.3/./glib/gvariant-core.c:617
 menuitem_get_properties_cb (properties=0x9bcd1b0, error=0x0, data=0x9bd2020) at ../../libdbusmenu-glib/client.c:1346
 get_properties_callback (obj=0x9aca230, res=0xb6d93a80, user_data=0xb6d56c50) at ../../libdbusmenu-glib/client.c:626
 g_simple_async_result_complete (simple=0xb6d93a80) at /build/buildd/glib2.0-2.28.3/./gio/gsimpleasyncresult.c:747